Science

Tuesday, 14 October 2025
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Tears
Basal tears production drops with age.
Especially common for women, it is a result of hormonal changes after menopause.
Brain
Brain cells are produced throughout life.
Until the publication of research on neurogenesis in 2018, it was assumed that the process of creating neurons ends in childhood.
Milky Way
It was only in 1610 that Galileo discovered that the Milky Way was made of stars.
Previously, it was believed that it could be part of the Earth's atmosphere or underexposed stars (it was believed that stars shine with light reflected from the Sun) that were in the Earth's shadow.
Moon
The Moon's atmosphere consists of 25 percent helium, 25 percent neon, 23percent hydrogen, 20 percent argon and residual amounts of methane, ammonia and carbon dioxide.
Fungi
Most fungi develop as hyphae, which are cylindrical, thread-like structures 2-10 µm in diameter and up to several centimeters long.
The hyphae branch and connect, which leads to the formation of mycelium, which is an interconnected ...
Fungi
Fungi were considered a separate kingdom, more closely related to animals than to plants.
This was determined based on phylogeny (origin), biochemistry, and anatomy. Fungi are considered to ...
lava
One of the main types of flowing lava is "stony rough lava" - aa.
Aa is basaltic lava and is characterized by a rough, jagged surface. It forms rare but large gas bub ...
Anorexia Nervosa
Trauma is also a risk factor for anorexia-there is a link between traumatic events and an eating disorder diagnosis.
Approximately 72 percent of people with anorexia report a traumatic event before the onset of eating ...
Mushrooms
Growing in North America, Europe and Asia, a fungus called Hydnellum peckii, secretes a red blood substance on a white hat.
The fungus is inedible, but unfailingly decorative.
Moon
The diameter of the Moon is 3474 km, which means it is approximately 1/4 of the diameter of the Earth.